/*
Theme Name: D2 Cyber
Theme URI: https://daviddalling.com
Author: David Dalling
Author URI: https://daviddalling.com
Description: A dark, cyber-themed WordPress theme modeled on daviddalling.com (D2 Cyber / "Signal from the Grid"). Bold perspectives, clear facts, better cyber decisions. Features a neon-cyan-on-deep-navy palette, Aldrich / Share Tech Mono / Exo 2 typography, gradient titles, a full landing page, Speaking & Media and database-backed Messages post types, and a complete admin experience (theme dashboard, setup checklist, live-preview Customizer controls, editor styling, and lint/CI tooling).
Version: 1.10.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: d2-cyber
Tags: dark, one-column, two-columns, custom-menu, custom-logo, featured-images, blog, portfolio, technology, full-width-template
*/

/* ==========================================================================
   Design tokens — lifted from daviddalling.com
   ========================================================================== */
:root {
  --color-background: #0a0e17;
  --color-foreground: #c8d6e5;
  --color-surface: #0d1321;
  --color-card: #111827;
  --color-nav: #0c1220;
  --color-muted: #141c2b;
  --color-muted-foreground: #7a8ba3;
  --color-accent: #1a2332;
  --color-border: #1e2d3d;
  --color-primary: #00d4ff;   /* neon cyan */
  --color-primary-foreground: #0a0e17;
  --color-secondary: #ff6b00; /* signal orange */
  --color-secondary-foreground: #0a0e17;
  --color-glow: #00d4ff;

  /* Derived tokens (kept in sync with the colors above). */
  --color-heading: #eaf2fb;          /* bright heading text */
  --color-link-hover: #5ce6ff;       /* lighter cyan for link hover */
  --color-primary-rgb: 0, 212, 255;  /* enables rgba() with the primary */
  --color-secondary-rgb: 255, 107, 0;

  --font-heading: "Aldrich", "Share Tech Mono", monospace;
  --font-mono: "Share Tech Mono", monospace;
  --font-sans: "Exo 2", "Share Tech Mono", sans-serif;

  --container: 1200px;
  --radius: 10px;
  --space-section: 5rem;
}

/* ==========================================================================
   Reset / base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html { line-height: 1.6; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle grid + glow backdrop, matching the hero-grid-overlay feel */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(var(--color-primary-rgb),0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--color-primary-rgb),0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  top: -10%;
  left: 50%;
  width: 70vw;
  height: 60vh;
  transform: translateX(-50%);
  z-index: -1;
  background: radial-gradient(ellipse at center, rgba(var(--color-primary-rgb),0.10), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
a:hover { color: var(--color-link-hover); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-heading);
  letter-spacing: .02em;
  margin: 0 0 .6em;
}

p { margin: 0 0 1.1em; }

code, pre, kbd { font-family: var(--font-mono); }
pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-size: .9em;
}
code { background: var(--color-muted); padding: .15em .4em; border-radius: 4px; font-size: .9em; color: var(--color-primary); }
pre code { background: none; padding: 0; color: inherit; }

blockquote {
  margin: 1.5rem 0;
  padding: .75rem 1.25rem;
  border-left: 3px solid var(--color-primary);
  background: rgba(var(--color-primary-rgb),0.04);
  color: var(--color-foreground);
}

hr { border: none; border-top: 1px solid var(--color-border); margin: 2.5rem 0; }

::selection { background: var(--color-primary); color: var(--color-primary-foreground); }

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: var(--space-section) 0; }
.section--tight { padding: 3rem 0; }
.text-center { text-align: center; }
.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .25em;
  font-size: .72rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: inline-block;
}
.section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: .4rem; }
.section-lead { color: var(--color-muted-foreground); max-width: 640px; }
.section-head { margin-bottom: 2.75rem; }
.section-head.text-center .section-lead { margin-left: auto; margin-right: auto; }

/* Gradient title treatment: cyan → light → orange, clipped to the text.
   Applied to the hero and the main page/archive titles. Uses theme color
   vars so it follows any Customizer color changes. */
.glow-text,
.hero__title,
.page-hero__title,
.archive-header h1 {
  background-image: linear-gradient(
    100deg,
    var(--color-primary) 0%,
    #c8d6e5 50%,
    var(--color-secondary) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-primary); /* fallback for browsers without text clipping */
}

/* The hero title wraps to multiple lines; run its gradient top→bottom so the
   final line lands on the secondary color — the exact orange of the
   "Join D2's List" button (both use --color-secondary). */
.hero__title {
  background-image: linear-gradient(
    175deg,
    var(--color-primary) 0%,
    #c8d6e5 42%,
    var(--color-secondary) 72%
  );
}

/* Keep the search query highlight readable inside an already-gradient h1. */
.archive-header h1 .glow-text {
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .8rem;
  padding: .8rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-primary);
  cursor: pointer;
  transition: all .2s ease;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  box-shadow: 0 0 18px rgba(var(--color-primary-rgb),0.35);
}
.btn--primary:hover { color: var(--color-primary-foreground); box-shadow: 0 0 28px rgba(var(--color-primary-rgb),0.6); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--color-primary); }
.btn--ghost:hover { background: rgba(var(--color-primary-rgb),0.08); }
.btn--secondary { background: var(--color-secondary); border-color: var(--color-secondary); color: var(--color-secondary-foreground); }
.btn--secondary:hover { color: var(--color-secondary-foreground); box-shadow: 0 0 24px rgba(var(--color-secondary-rgb),0.5); }
.btn--secondary-ghost { background: transparent; border-color: var(--color-secondary); color: var(--color-secondary); }
.btn--secondary-ghost:hover { background: rgba(var(--color-secondary-rgb), .08); color: var(--color-secondary); box-shadow: 0 0 18px rgba(var(--color-secondary-rgb), .3); }

/* ==========================================================================
   Site header / nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.site-brand { display: flex; align-items: center; gap: .7rem; }
.site-brand__logo img { max-height: 40px; width: auto; }
.site-brand__mark {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: .14em;
  color: var(--color-heading);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}
.site-brand__mark .glyph {
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  color: var(--color-primary);
  box-shadow: 0 0 14px rgba(var(--color-primary-rgb),.35), inset 0 0 10px rgba(var(--color-primary-rgb),.15);
  font-size: .9rem;
}
.site-brand__img { width: 44px; height: 44px; border-radius: 9px; display: block; flex: none; }
.site-brand__tagline { display: block; font-family: var(--font-mono); font-size: .62rem; letter-spacing: .2em; color: var(--color-muted-foreground); text-transform: uppercase; }

.main-nav ul { list-style: none; display: flex; align-items: center; gap: 2rem; margin: 0; padding: 0; }
.main-nav a {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .8rem;
  color: var(--color-nav-foreground, var(--color-foreground));
  position: relative;
  padding: .3rem 0;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -3px;
  width: 0; height: 2px; background: var(--color-primary);
  transition: width .25s ease; box-shadow: 0 0 8px var(--color-primary);
}
.main-nav a:hover::after,
.main-nav .current-menu-item > a::after { width: 100%; }
.main-nav .current-menu-item > a { color: var(--color-primary); }

.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--color-border);
  border-radius: 8px; padding: .5rem .6rem; cursor: pointer;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-foreground); margin: 4px 0; transition: .3s; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 6.5rem 0 6rem;
  overflow: hidden;
  /* Raised panel: a slightly lifted surface that recedes into the page below,
     plus an inset bottom shadow (the "opacity layer") for a 3D depth feel. */
  background:
    radial-gradient(ellipse at 50% 0%, rgba(var(--color-primary-rgb), .06), transparent 60%),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
  box-shadow: inset 0 -60px 70px -50px rgba(0, 0, 0, .65);
}
/* Glowing divider line separating the hero from the content below. */
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(var(--color-primary-rgb), .55) 50%, transparent 100%);
  box-shadow: 0 0 24px 1px rgba(var(--color-primary-rgb), .18);
}
.hero__overlay {
  position: absolute; inset: 0; z-index: 0; opacity: .25; pointer-events: none;
  background-image:
    linear-gradient(rgba(var(--color-primary-rgb),0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--color-primary-rgb),0.10) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
}
.hero__inner { position: relative; z-index: 1; max-width: 880px; }
.hero__status {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--color-primary); border: 1px solid var(--color-border);
  background: rgba(var(--color-primary-rgb),.05); padding: .4rem .9rem; border-radius: 999px; margin-bottom: 1.6rem;
}
.hero__status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 10px var(--color-primary); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
/* Tagline above the title (small, mono, cyan). */
.hero__tagline {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .3em;
  font-size: .8rem;
  color: var(--color-primary);
  margin: 0 0 1.4rem;
}
.hero__title { font-size: clamp(2.4rem, 7vw, 4.6rem); margin-bottom: 1.4rem; }
.hero__subtitle { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--color-muted-foreground); max-width: 560px; margin-bottom: 2.2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ==========================================================================
   Article cards / grid
   ========================================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.article-card {
  display: flex; flex-direction: column;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 40px -12px rgba(var(--color-primary-rgb),0.4);
}
.article-card__media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--color-surface); }
.article-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.article-card:hover .article-card__media img { transform: scale(1.04); }
.article-card__media--placeholder {
  display: grid; place-items: center; color: var(--color-border);
  background:
    radial-gradient(circle at 30% 30%, rgba(var(--color-primary-rgb),.08), transparent 60%),
    var(--color-surface);
}
.article-card__media--placeholder svg { width: 64px; height: 64px; opacity: .5; }
.article-card__body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; flex: 1; }
.article-card__cat {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: .7rem;
}
.article-card__title { font-size: 1.15rem; line-height: 1.3; margin-bottom: .6rem; }
.article-card__title a { color: var(--color-heading); }
.article-card__title a:hover { color: var(--color-primary); }
.article-card__excerpt { color: var(--color-muted-foreground); font-size: .95rem; margin-bottom: 1.2rem; }
.article-card__meta {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; color: var(--color-muted-foreground);
}
.article-card__readmore { color: var(--color-primary); }

/* ==========================================================================
   Areas of expertise
   ========================================================================== */
.expertise-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.expertise-item {
  background: linear-gradient(160deg, var(--color-surface), var(--color-card));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  transition: border-color .25s ease, transform .25s ease;
}
.expertise-item:hover { border-color: var(--color-primary); transform: translateY(-3px); }
.expertise-item__icon {
  width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 1.1rem;
  border: 1px solid var(--color-primary); border-radius: 10px; color: var(--color-primary);
  box-shadow: inset 0 0 12px rgba(var(--color-primary-rgb),.15);
}
.expertise-item__icon svg { width: 22px; height: 22px; }
.expertise-item h3 { font-size: 1.05rem; margin-bottom: .4rem; }
.expertise-item p { color: var(--color-muted-foreground); font-size: .92rem; margin: 0; }

/* ==========================================================================
   Qualifications (Bio page) — distinct tinted background vs Areas of Expertise
   ========================================================================== */
.section--qualifications {
  background: linear-gradient(160deg, rgba(var(--color-primary-rgb), .05), rgba(var(--color-secondary-rgb), .045));
  border-block: 1px solid var(--color-border);
}
.qual-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.qual-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.qual-item__label { display: block; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--color-primary); margin-bottom: .35rem; }
.qual-item__value { display: block; color: var(--color-heading); font-size: 1.02rem; }

/* ==========================================================================
   Speaking & media
   ========================================================================== */
.speaking { position: relative; }
.speaking__card {
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb),.06), rgba(var(--color-secondary-rgb),.05));
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 3rem;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.5rem; align-items: center;
}
.speaking__list { list-style: none; margin: 1.25rem 0 0; padding: 0; display: grid; gap: .7rem; }
.speaking__list li {
  font-family: var(--font-mono); font-size: .85rem; color: var(--color-foreground);
  padding-left: 1.4rem; position: relative;
}
.speaking__list li::before { content: "▸"; position: absolute; left: 0; color: var(--color-primary); }

/* ==========================================================================
   Newsletter
   ========================================================================== */
.newsletter {
  background: radial-gradient(ellipse at top, rgba(var(--color-primary-rgb),.10), transparent 70%), var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 3.5rem 2rem;
  text-align: center;
}
.newsletter__form { display: flex; gap: .75rem; max-width: 480px; margin: 1.6rem auto 0; }
.newsletter__form input[type="email"] { flex: 1; }

/* ==========================================================================
   Forms
   ========================================================================== */
input[type="text"], input[type="email"], input[type="url"], input[type="search"],
input[type="password"], textarea, select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-foreground);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: .8rem 1rem;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb),0.18);
}
::placeholder { color: var(--color-muted-foreground); }
label { display: block; font-family: var(--font-mono); font-size: .8rem; letter-spacing: .08em; margin-bottom: .4rem; color: var(--color-foreground); }
.form-row { margin-bottom: 1.2rem; }

/* ==========================================================================
   Single post / page content
   ========================================================================== */
.page-hero { padding: 4rem 0 2rem; border-bottom: 1px solid var(--color-border); }
.page-hero__cat { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--color-primary); }
.page-hero__title { font-size: clamp(1.9rem, 4vw, 3rem); margin: .8rem 0 .6rem; }
.entry-meta { font-family: var(--font-mono); font-size: .8rem; color: var(--color-muted-foreground); display: flex; flex-wrap: wrap; gap: 1.2rem; }
.entry-meta a { color: var(--color-muted-foreground); }
.entry-meta a:hover { color: var(--color-primary); }

.content-wrap { max-width: 780px; margin: 0 auto; }
.entry-content { font-size: 1.08rem; }
.entry-content > * { margin-bottom: 1.3rem; }
.entry-content h2 { font-size: 1.6rem; margin-top: 2.2rem; }
.entry-content h3 { font-size: 1.3rem; margin-top: 1.8rem; }
.entry-content a { text-decoration: underline; text-underline-offset: 3px; }
.entry-content ul, .entry-content ol { padding-left: 1.4rem; }
.entry-content li { margin-bottom: .5rem; }
.entry-content img, .wp-block-image img { border-radius: var(--radius); }
.featured-image { margin: 2rem 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); }

.author-box {
  display: flex; gap: 1.25rem; align-items: flex-start;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.5rem; margin: 3rem 0;
}
.author-box__avatar img { border-radius: 50%; border: 1px solid var(--color-primary); }
.author-box__eyebrow { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--color-primary); }

.post-nav { display: flex; justify-content: space-between; gap: 1rem; margin: 2.5rem 0; font-family: var(--font-mono); font-size: .85rem; }

/* Tags / categories chips */
.chip-list { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.5rem 0; }
.chip {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em;
  padding: .35rem .8rem; border: 1px solid var(--color-border); border-radius: 999px;
  color: var(--color-muted-foreground);
}
.chip:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ==========================================================================
   Archive / page header
   ========================================================================== */
.archive-header { padding: 3.5rem 0 2.5rem; text-align: center; }
.archive-header h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
.archive-header p { color: var(--color-muted-foreground); }

.pagination { display: flex; justify-content: center; gap: .5rem; margin-top: 3rem; }
.pagination .page-numbers {
  font-family: var(--font-mono); font-size: .85rem;
  padding: .5rem .9rem; border: 1px solid var(--color-border); border-radius: 8px; color: var(--color-foreground);
}
.pagination .page-numbers.current { background: var(--color-primary); color: var(--color-primary-foreground); border-color: var(--color-primary); }
.pagination a.page-numbers:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ==========================================================================
   Search
   ========================================================================== */
.search-form { display: flex; gap: .6rem; }
.search-form input[type="search"] { flex: 1; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-nav);
  padding: 3.5rem 0 2rem;
  margin-top: 4rem;
}
.site-footer__grid { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 2rem; margin-bottom: 2.5rem; }
.site-footer__brand { justify-self: start; }
.site-footer__mission { justify-self: center; text-align: center; max-width: 44ch; margin: 0; color: var(--color-muted-foreground); font-size: .95rem; }
.site-footer__social { justify-self: end; }
.site-footer h4 { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .15em; text-transform: uppercase; color: var(--color-primary); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .55rem; }
.site-footer a { color: var(--color-muted-foreground); font-size: .92rem; }
.site-footer a:hover { color: var(--color-primary); }
.site-footer__bottom {
  border-top: 1px solid var(--color-border); padding-top: 1.5rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  font-family: var(--font-mono); font-size: .78rem; color: var(--color-muted-foreground);
}
.social-links { display: flex; gap: 1rem; }
.social-links a { display: inline-grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--color-border); border-radius: 8px; color: var(--color-muted-foreground); }
.social-links a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.social-links svg { width: 18px; height: 18px; }

/* ==========================================================================
   Widgets / sidebar
   ========================================================================== */
.widget { margin-bottom: 2rem; }
.widget-title { font-size: 1rem; font-family: var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 1rem; }
.widget ul { list-style: none; padding: 0; margin: 0; }
.widget li { padding: .4rem 0; border-bottom: 1px solid var(--color-border); }
.widget a { color: var(--color-foreground); }
.widget a:hover { color: var(--color-primary); }
.widget li .count, .widget li a + span { color: var(--color-muted-foreground); font-family: var(--font-mono); font-size: .8rem; }

/* Two-column content + sidebar layout (Publications / archives) */
.content-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 2.5rem; align-items: start; }
.content-sidebar__main { min-width: 0; }
.card-grid--sidebar { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* Sidebar card surfaces */
.sidebar .widget {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.sidebar .widget li:last-child { border-bottom: 0; }

/* Sidebar author card */
.sidebar-author { display: flex; flex-direction: column; margin-bottom: 1rem; }
.sidebar-author__name { font-family: var(--font-heading); font-size: 1.15rem; color: var(--color-heading); }
.sidebar-author__name:hover { color: var(--color-primary); }
.sidebar-author__role { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; color: var(--color-muted-foreground); margin-top: .25rem; }
.btn--sm { padding: .5rem 1rem; font-size: .72rem; }

/* Single-post author box link */
.author-box__name a { color: var(--color-heading); }
.author-box__name a:hover { color: var(--color-primary); }
.author-box__link { display: inline-block; margin-top: .6rem; font-family: var(--font-mono); font-size: .8rem; letter-spacing: .06em; }

/* WP core alignment + caption classes */
.alignleft { float: left; margin: .4rem 1.5rem 1rem 0; }
.alignright { float: right; margin: .4rem 0 1rem 1.5rem; }
.aligncenter { margin-left: auto; margin-right: auto; }
.wp-caption-text, .gallery-caption { font-family: var(--font-mono); font-size: .8rem; color: var(--color-muted-foreground); text-align: center; }
.sticky .article-card { border-color: var(--color-secondary); }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 100; background: var(--color-primary); color: var(--color-primary-foreground); padding: .5rem 1rem; border-radius: 6px; }

/* Honeypot field — visually hidden but present for bots. */
.d2-hp { position: absolute; left: -9999px; }

/* ==========================================================================
   Utility classes (replace per-element inline styles)
   ========================================================================== */
.container--md { max-width: 760px; }
.container--sm { max-width: 680px; }
.container--xs { max-width: 600px; }
.mt-md { margin-top: 2.5rem; }
.mt-lg { margin-top: 3rem; }
.lead-center { margin-inline: auto; }
.title-sm { font-size: 1.4rem; }
.section--surface { background: var(--color-surface); border-top: 1px solid var(--color-border); }

/* ==========================================================================
   Components extracted from templates
   ========================================================================== */
/* Footer brand blurb */

/* Centered search wrapper (search results + 404) */
.search-wrap { max-width: 520px; margin: 1.5rem auto 0; }
.error-code { font-size: clamp(3rem, 12vw, 6rem); }
.error-lead { margin: 1rem auto 2rem; }
.error-search { max-width: 440px; margin: 0 auto 2rem; }

/* About page CTA row */
.about-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.about-cta--center { justify-content: center; margin-top: 2.75rem; }

/* Contact submission notices */
.contact-notice { border-radius: var(--radius); padding: 1rem 1.25rem; text-align: center; }
.contact-notice--ok { border: 1px solid var(--color-primary); background: rgba(var(--color-primary-rgb), .06); }
.contact-notice--err { border: 1px solid var(--color-secondary); background: rgba(var(--color-secondary-rgb), .06); }
.form-note { text-align: center; color: var(--color-muted-foreground); font-size: .8rem; margin-top: 1rem; }

/* "Originally published at" callout on imported posts */
.source-callout { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem 1.25rem; background: rgba(var(--color-primary-rgb), .04); }
.source-callout__label { color: var(--color-muted-foreground); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }

/* Author box text */
.author-box__name { margin: .2rem 0 .4rem; }
.author-box__bio { color: var(--color-muted-foreground); margin: 0; }

/* Comments */
.comments-area { margin-top: 3rem; }
.comments-list { list-style: none; padding: 0; }
.comments-closed { color: var(--color-muted-foreground); }

/* ==========================================================================
   Accessibility — visible keyboard focus
   ========================================================================== */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.article-card a:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ==========================================================================
   Accessibility — respect reduced-motion preferences
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .speaking__card { grid-template-columns: 1fr; }
  .content-sidebar { grid-template-columns: 1fr; gap: 3rem; }
  .sidebar { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; align-items: start; }
}
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--color-nav); border-bottom: 1px solid var(--color-border);
    display: none; padding: 1rem 1.5rem;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .newsletter__form { flex-direction: column; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 1.75rem; justify-items: center; text-align: center; }
  .site-footer__brand, .site-footer__social { justify-self: center; }
}